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00011 #ifndef incPERSIST_XML_PARSE
00012 #define incPERSIST_XML_PARSE
00013
00014
00015 #include <string>
00016 #include <vector>
00017 #include "../config.hpp"
00018
00019
00020 typedef struct XML_ParserStruct *XML_Parser;
00021
00022 #ifdef XML_UNICODE_WCHAR_T
00023 typedef wchar_t XML_Char;
00024 #define S(_S) L##_S
00025 typedef std::wstring xmlstring;
00026 #else
00027 typedef char XML_Char;
00028 typedef std::string xmlstring;
00029 #define S(_S) _S
00030 #endif
00031
00032
00033 #define PARSE_SUCCESS 0
00034 #define PARSE_BADXMLTYPE 1
00035 #define PARSE_XMLERROR 2
00036 #define PARSE_NOFILE 3
00037
00038 namespace ph {
00039 namespace persist {
00040 namespace xml {
00041
00042 class PERSIST_DECL parse_progress
00043 {
00044 public:
00045 virtual ~parse_progress() {};
00046
00047 virtual void total(long n) = 0;
00048 virtual void progress(long n) = 0;
00049 };
00050
00051 class PERSIST_DECL parse
00052
00053
00054
00055 {
00056 private:
00057 XML_Parser _parser;
00058 int _error;
00059 std::string _filename;
00060 std::vector<xmlstring> _elementstack;
00061
00062 static void sstartelement_handler(void *data, const XML_Char *name, const XML_Char **atts);
00063 static void sendelement_handler(void *data, const XML_Char *name);
00064 static void scdata_handler(void *data, const XML_Char *s, int len);
00065 static void scomment_handler(void *data, const XML_Char *data);
00066 static void sdefault_handler(void *v, const XML_Char *s, int len);
00067
00068 public:
00069 parse(std::ostream *errorhandler = NULL, bool silent=false) :
00070 _parser(NULL), _error(PARSE_SUCCESS), _silent(silent), _errorhandler(errorhandler) {};
00071 virtual ~parse() {};
00072
00073 static bool parse_xml(std::istream *stream, const std::string &streampath,
00074 parse *parser, parse_progress *progress);
00075
00076
00077 void startparse(const std::string &streamname);
00078 int doparse(char *buf, long len, int done);
00079 void endparse();
00080
00081
00082 int parsestream(std::istream *stream, const std::string &streamname);
00083 int doparsefile(const std::string &filename);
00084
00085
00086
00087 virtual void startelement_handler(const xmlstring &name, const std::vector<xmlstring> &atts) = 0;
00088 virtual void endelement_handler(const xmlstring &name) = 0;
00089 virtual void cdata_handler(const xmlstring &s, int len) {};
00090 virtual void comment_handler(const xmlstring &s) {};
00091 virtual void default_handler(const xmlstring &s, int len) {};
00092
00093
00094 virtual void finish_handler() {};
00095
00096
00097 int error() { return _error; };
00098
00099 static bool decodexmldata(const xmlstring &s, xmlstring *news);
00100 static bool encodexmldata(const xmlstring &s, xmlstring *news);
00101
00102 protected:
00103 bool _silent;
00104 std::ostream *_errorhandler;
00105
00106 xmlstring current(int top=0);
00107
00108
00109 xmlstring element(int top);
00110
00111
00112 xmlstring expectedattr(const std::vector<xmlstring> &atts, const xmlstring &token);
00113 xmlstring attr(const std::vector<xmlstring> &atts, const xmlstring &token);
00114 xmlstring attr(const std::vector<xmlstring> &atts, int index);
00115 xmlstring attrval(const std::vector<xmlstring> &atts, int index);
00116
00117
00118 void expected_error(const xmlstring &token);
00119 void error(const std::string &string, bool detail=true);
00120 void error(const std::string &format, const std::string &s1, bool detail=true);
00121 void error(const std::string &format, const std::string &s1, const std::string &s2, bool detail=true);
00122
00123 };
00124
00125 };
00126 };
00127 };
00128
00129 #endif // incPERSIST_XML_PARSE